Sony GV-500 - Manual (Page 74)

video Head Cleaning
To ensure a clear picture, clean the video heads periodicaliy.
If playback pictures are noisy or hardly visible, the video
heads may be contaminated. In this case, clean the video
heads with the Sony V8-25CLH cleaning cassette (not
supplied) according to the instructions.
Caution
Do not use commercially available wet-type cleaning cassettes.
They may damage the video heads.
Note
If the V8-2SCLH cleaning cassette is not available in your area, consult your Sony service
facility.
^tfie Video Head Is Damaged
When playback pictures are not clear even after using the cleaning cassette, the video head
may be damaged. In this case, the video head needs to be replaced with a new one. Consult
your Sony sen/ice facility for replacing the video head.
¡tiole on the bullt*ln lighting system
A built-in lighting system is assembled inside the liquid crystal screen of this unit. The life of the
small fluorescent tube used for this built-in lighting system runs out over a period of use. If the
lamp becomes dimmer or goes off immediately after you turn it on, even with new batteries,
replace the lamp with a new one. To replace the lamp, consult the dealer where you purchased
the unit, or a Sony service facility. The expected life of the small fluorescent tube is alMUt three
years if this unit is used for an hour each day. When you use this unit in a cold environment, the
fluorescent tube will be dimmer at first. As soon as the temperature of the tube rises, it will
regain its original brightness.
Note on the LCD
• Do not push the display forcibly.
• Do not operate the unit where the temperature is below 0°C (32°!=) or above 40°C (104°F).
• If the unit is used in a cold place, a residual image may appear on the screen. This is not a
malfunction of the unit.
• Constant bright points of light (red, blue, or green) may appear on the screen. This is not a
malfunction of the unit.
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